*{
	margin: 0;
	padding: 0;
	list-style: none;
	text-decoration: none;
}
.web{
	width: 1000px;
	margin: 0 auto;
}
header{
	border-top:24px solid #00b7ee;
	width: 1000px;
	height: 516px;
}
.nav{
	width: 1000px;
	height: 116px;
	overflow: hidden;
}
.nav-logo{
	float: left;
	margin:38px 0px 0px 73px;
}
.nav ul{
	float: left;
	margin: 76px 0px 0px 54px;
}
.nav li{
	float: left;
	text-align: center;
	margin-left: 16px;
}
.nav li a{
	font-size:14px;
	color: #000000;
}
.nav li::after{
	content: "";
	width: 13px;
	height: 1px;
	background: black;
	margin: 7px auto;
	display: none;
}
.nav li:hover::after{
	display: block;
}
.nav-search{
	width: 214px;
	height: 30px;
	line-height: 30px;
	border: 1px solid black;
	float: right;
	margin: 68px 76px 0px 0px;
	/*background: url(../img/t2.png)no-repeat;
	background-position:181px 4px;*/
}
.nav-search input{	
	vertical-align: middle;
	border: none;
	outline: none;
}
.nav-search input[type="text"]{
	height: 27px;
	padding-left: 5px;
}
.nav-search input[type="image"]{
	/*margin: 4px 7px 0px 0px;*/
	margin-left: 7px;
}
.nav-button{
	font-size: 0;
	position: relative;
	margin-top: -33px;
	margin-left: 446px;
}
.nav-button input{
	width: 15px;
	height: 15px;
	border: 0;
	margin-left: 12px;
	border-radius: 50%;
	cursor: pointer;
}
.nav-button input:first-child{
	background: #828282;
}
.nav-button input:nth-child(2){
	background: #395674;
}
.nav-button input:nth-child(3){
	background: #395674;
}